Current through Register Vol. 56, No. 21, November 4, 2024
Section 7:27B-1.11 - Sample recovery(a) Exercise care in removing the sample to avoid loss of collected sample or gain of extraneous particles.(b) Remove the filter holder (D[2]) *, reseal the openings with clean rubber stoppers and complete marking for identification. * See Appendix 1.
(c) Remove the drying tube (F) *, reseal the openings with clean rubber stoppers and complete marking for identification.(d) Remove the impingers (E[1] and E[2]) *, reseal the openings with clean rubber stoppers and complete marking for identification.(e) Wash all sample-exposed surfaces between the nozzle and the glass fiber filter holder, including the cyclone and the flask, with acetone. Use a razor blade, brush or rubber policeman to dislodge adhering particles. Place all loose particles and acetone wash in a clean sample bottle, seal and label for identification.(f) Place about 100 ml. of acetone from the same container used for the wash in a separate clean sample bottle, seal and label for identification (acetone blank). N.J. Admin. Code § 7:27B-1.11